| 1 | /* |
| 2 | * jDTAUS Banking SPI |
| 3 | * Copyright (C) 2005 Christian Schulte |
| 4 | * <cs@schulte.it> |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or any later version. |
| 10 | * |
| 11 | * This library is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with this library; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | * |
| 20 | */ |
| 21 | package org.jdtaus.banking.dtaus.spi; |
| 22 | |
| 23 | import java.util.ArrayList; |
| 24 | import java.util.HashMap; |
| 25 | import java.util.Iterator; |
| 26 | import java.util.LinkedList; |
| 27 | import java.util.List; |
| 28 | import java.util.Locale; |
| 29 | import java.util.Map; |
| 30 | import org.jdtaus.banking.dtaus.Transaction; |
| 31 | import org.jdtaus.core.text.Message; |
| 32 | import org.jdtaus.core.text.Messages; |
| 33 | |
| 34 | /** |
| 35 | * Gets thrown whenever an illegal transaction is passed to a method expecting a legal transaction. |
| 36 | * <p>Example: Throwing an {@code IllegalTransactionException}<br/><blockquote> |
| 37 | * <pre> |
| 38 | * IllegalTransactionException e = new IllegalTransactionException(); |
| 39 | * e.addMessage(message); |
| 40 | * e.addMessage(Transaction.PROP_<i>XYZ</i>, message); |
| 41 | * throw e;</pre></blockquote></p> |
| 42 | * |
| 43 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> |
| 44 | * @version $JDTAUS: IllegalTransactionException.java 8661 2012-09-27 11:29:58Z schulte $ |
| 45 | */ |
| 46 | public class IllegalTransactionException |
| 47 | extends org.jdtaus.banking.dtaus.IllegalTransactionException |
| 48 | { |
| 49 | |
| 50 | /** Serial version UID for backwards compatibility with 1.0.x classes. */ |
| 51 | private static final long serialVersionUID = -81649021330912822L; |
| 52 | |
| 53 | /** Creates a new {@code IllegalTransactionException} instance. */ |
| 54 | public IllegalTransactionException() |
| 55 | { |
| 56 | super(); |
| 57 | } |
| 58 | |
| 59 | /** Key to the list of messages not bound to any particular property. */ |
| 60 | private static final String PROP_UNSPECIFIED = "org.jdtaus.banking.dtaus.Transaction"; |
| 61 | |
| 62 | /** |
| 63 | * The messages describing the exception. |
| 64 | * @serial |
| 65 | */ |
| 66 | private Map messages = new HashMap(); |
| 67 | |
| 68 | /** |
| 69 | * Adds a message to the instance. |
| 70 | * |
| 71 | * @param message The message to add to the instance. |
| 72 | * |
| 73 | * @throws NullPointerException if {@code message} is {@code null}. |
| 74 | */ |
| 75 | public void addMessage( final Message message ) |
| 76 | { |
| 77 | this.addMessage( PROP_UNSPECIFIED, message ); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Adds messages to the instance. |
| 82 | * |
| 83 | * @param messages The messages to add to the instance. |
| 84 | * |
| 85 | * @throws NullPointerException if {@code messages} is {@code null}. |
| 86 | */ |
| 87 | public final void addMessages( final Messages messages ) |
| 88 | { |
| 89 | if ( messages == null ) |
| 90 | { |
| 91 | throw new NullPointerException( "messages" ); |
| 92 | } |
| 93 | |
| 94 | for ( int i = messages.size() - 1; i >= 0; i-- ) |
| 95 | { |
| 96 | this.addMessage( messages.getMessage( i ) ); |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Adds a message for a property to the instance. |
| 102 | * |
| 103 | * @param propertyName The name of a property {@code message} is bound to. |
| 104 | * @param message The message to add to the instance. |
| 105 | * |
| 106 | * @throws NullPointerException if either {@code message} or {@code propertyName} is {@code null}. |
| 107 | */ |
| 108 | public void addMessage( final String propertyName, final Message message ) |
| 109 | { |
| 110 | if ( propertyName == null ) |
| 111 | { |
| 112 | throw new NullPointerException( "propertyName" ); |
| 113 | } |
| 114 | if ( message == null ) |
| 115 | { |
| 116 | throw new NullPointerException( "message" ); |
| 117 | } |
| 118 | |
| 119 | List msgs = (List) this.messages.get( propertyName ); |
| 120 | if ( msgs == null ) |
| 121 | { |
| 122 | msgs = new LinkedList(); |
| 123 | this.messages.put( propertyName, msgs ); |
| 124 | } |
| 125 | |
| 126 | msgs.add( message ); |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Adds messages bound to a property to the instance. |
| 131 | * |
| 132 | * @param propertyName The name of a property {@code messages} are bound to. |
| 133 | * @param messages The messages to add to the instance. |
| 134 | * |
| 135 | * @throws NullPointerException if either {@code messages} or {@code propertyName} is {@code null}. |
| 136 | */ |
| 137 | public final void addMessages( final String propertyName, final Messages messages ) |
| 138 | { |
| 139 | if ( propertyName == null ) |
| 140 | { |
| 141 | throw new NullPointerException( "propertyName" ); |
| 142 | } |
| 143 | if ( messages == null ) |
| 144 | { |
| 145 | throw new NullPointerException( "messages" ); |
| 146 | } |
| 147 | |
| 148 | for ( int i = messages.size() - 1; i >= 0; i-- ) |
| 149 | { |
| 150 | this.addMessage( propertyName, messages.getMessage( i ) ); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * Gets all messages describing the exception. |
| 156 | * |
| 157 | * @return An array of messages describing the exception or an empty array if the instance does not hold any |
| 158 | * messages. |
| 159 | */ |
| 160 | public Message[] getMessages() |
| 161 | { |
| 162 | final List col = new LinkedList(); |
| 163 | for ( Iterator it = this.messages.keySet().iterator(); it.hasNext(); ) |
| 164 | { |
| 165 | final String propertyName = (String) it.next(); |
| 166 | col.addAll( (List) this.messages.get( propertyName ) ); |
| 167 | } |
| 168 | |
| 169 | return (Message[]) col.toArray( new Message[ col.size() ] ); |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Gets messages bound to a property removing these messages from the instance. |
| 174 | * |
| 175 | * @param propertyName the name of a property to return any messages for. |
| 176 | * |
| 177 | * @return All messages bound to a property with name {@code propertyName} or an empty array if the instance does |
| 178 | * not hold messages for a property with name {@code propertyName}. |
| 179 | * |
| 180 | * @throws NullPointerException if {@code propertyName} is {@code null}. |
| 181 | */ |
| 182 | public Message[] getMessages( final String propertyName ) |
| 183 | { |
| 184 | if ( propertyName == null ) |
| 185 | { |
| 186 | throw new NullPointerException( "propertyName" ); |
| 187 | } |
| 188 | |
| 189 | final List msgs = (List) this.messages.remove( propertyName ); |
| 190 | return msgs == null ? new Message[ 0 ] : (Message[]) msgs.toArray( new Message[ msgs.size() ] ); |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * Gets the names of all properties for which the exception holds messages. |
| 195 | * |
| 196 | * @return An array of the names of all properties for which the exception holds messages or an empty array if the |
| 197 | * exception does not hold any message bound to a property. |
| 198 | */ |
| 199 | public String[] getPropertyNames() |
| 200 | { |
| 201 | final List names = new ArrayList( this.messages.size() ); |
| 202 | for ( Iterator it = this.messages.keySet().iterator(); it.hasNext(); ) |
| 203 | { |
| 204 | final String name = (String) it.next(); |
| 205 | if ( !PROP_UNSPECIFIED.equals( name ) ) |
| 206 | { |
| 207 | names.add( name ); |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | return (String[]) names.toArray( new String[ names.size() ] ); |
| 212 | } |
| 213 | |
| 214 | /** |
| 215 | * Creates a string representing the messages of the instance. |
| 216 | * |
| 217 | * @return A string representing the messages of the instance. |
| 218 | */ |
| 219 | private String internalString() |
| 220 | { |
| 221 | final StringBuffer buf = new StringBuffer( 200 ).append( '{' ); |
| 222 | final String[] propertyNames = this.getPropertyNames(); |
| 223 | final List unspecifiedMsgs = (List) this.messages.get( PROP_UNSPECIFIED ); |
| 224 | |
| 225 | for ( int i = 0; i < propertyNames.length; i++ ) |
| 226 | { |
| 227 | buf.append( propertyNames[i] ).append( "={" ); |
| 228 | |
| 229 | int j = 0; |
| 230 | final List msgs = (List) this.messages.get( propertyNames[i] ); |
| 231 | for ( Iterator it = msgs.iterator(); it.hasNext(); j++ ) |
| 232 | { |
| 233 | final Message msg = (Message) it.next(); |
| 234 | buf.append( "[" ).append( j ).append( "]=" ).append( msg.getText( Locale.getDefault() ) ); |
| 235 | if ( it.hasNext() ) |
| 236 | { |
| 237 | buf.append( ", " ); |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | buf.append( '}' ); |
| 242 | |
| 243 | if ( i + i < propertyNames.length ) |
| 244 | { |
| 245 | buf.append( ", " ); |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | if ( unspecifiedMsgs != null && !unspecifiedMsgs.isEmpty() ) |
| 250 | { |
| 251 | if ( propertyNames.length > 0 ) |
| 252 | { |
| 253 | buf.append( ", " ); |
| 254 | } |
| 255 | |
| 256 | buf.append( PROP_UNSPECIFIED ).append( "={" ); |
| 257 | |
| 258 | int i = 0; |
| 259 | for ( Iterator it = unspecifiedMsgs.iterator(); it.hasNext(); i++ ) |
| 260 | { |
| 261 | final Message msg = (Message) it.next(); |
| 262 | buf.append( "[" ).append( i ).append( "]=" ).append( msg.getText( Locale.getDefault() ) ); |
| 263 | if ( it.hasNext() ) |
| 264 | { |
| 265 | buf.append( ", " ); |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | buf.append( '}' ); |
| 270 | } |
| 271 | |
| 272 | buf.append( '}' ); |
| 273 | return buf.toString(); |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * Returns a string representation of the object. |
| 278 | * |
| 279 | * @return A string representation of the object. |
| 280 | */ |
| 281 | public String toString() |
| 282 | { |
| 283 | return super.toString() + '\n' + this.internalString(); |
| 284 | } |
| 285 | |
| 286 | } |